Chen Gang helps check the cable of his trainee Huang Lijiang before descending down a cliff on 2,000-meter tall Batai Mountain in Wanyuan City, Southwest China’s Sichuan Province, Jan. 23, 2017. An avid rock climber, Huang, born in 1987, works in geological survey, emergency rescue at high altitude and garbage collection at dangerous sites. Huang needs to descend about 100 meters to fetch the trash. (Photo: China News Service/Zhang Lang)
